http://www.usatoday.com/travel/news/2007-04-02-passport-record_N.htm
27% of Americans have a passport as of June 2008.
How many are using them is another question
Passport, yes. Visa, no. (Americans need a passport to go to Canada!)
Yes, a passport is needed as 2009.
What percentage of Americans have tattoos
70%
percentage of Americans live to be 93?
The question is ambiguous, Are you interested in what percentage of Asians are Americans, or what percentage of Americans are of Asian origin?
yes
Valid passport
Yes, Americans do need a passport to travel to Jamaica. Check out AllThingsCruise.com, the website has lots of good info on ports of call, passport or no passport, what to bring, what to do and basically all Cruise info you would need. It helped me when going on my first cruise.
The percentage of Americans that invest in capital markets is: 32%.
40% of Americans are Irish.
Well passport is required because Serbia is in Europe, and Americans do not need a Visa